Kerala government is moving ahead with Silver Line project which is renamed as K Line which connects the length of Kerala state from Thiruvananthapuram to Kasargod. In January 2021, the project has received approval for the project from Union Ministry. Kerala Rail Development Corporation is assigned as the nodal agency to implement the project.
The new rail line will run parallel along existing rail line in some area, besides new line will also be laid as green project. The line will be connecting Thiruvananthapuram to Kasaragod and covering the 529.45-km ride in 4 hrs as against over 12 hrs now. The line will cover Thiruvananthapuram-Ernakulam/Kochi stretch in flat 90 minutes, as against over 4 hours now.
The government plans to develop a new service road along the railhead and to develop five new townships along its way.
As of January 2021, the project is moving with land acquisition.